Shenhai eksplosionssikker
2. Shanghai Automation Instrumentation Inspection and Testing Institute (NEPSI)
4. Jiamusi eksplosionssikkert motorforskningsinstitut (JEXM)
5. Shenyangs forskningsinstitut for elektriske drev
6. Nationalt sikkerhedsmærke for mineprodukter Center for sikkerhedsstandarder (AnBiao)
7. China Coal Science & Industry Group Shanghai Research Institute Testing Center
8. Chongqing AnBiao test- og forskningsinstitut
9. National Coal Mine Explosion-Proof Safety Products Quality Supervision and Inspection Center